Cam walker



FIG. 1 is an isometric view showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a first side-elevational view thereof;

FIG. 5 is a second side-elevational view thereof;

FIG. 6 is a top-plan view thereof; and,

FIG. 7 is a bottom-plan view thereof.

The broken lines in the figures are for the purpose of depicting stitching and form no part of the claim. 

CLAIM The ornamental design for a CAM walker, as shown and described. 